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Extreme overexposure on FP4. This was shot at f/16 for either two or four seconds. I've done this with a pinhole camera, but never with a real lens.
I used photoshop to bring out contrasts and get rid of a couple of dust specks, but the solarization effect is real.
Next time, I'm going to try cutting the normal development time in half.
Another bright solar halo yesterday (13.02.2018) over Athens.
EXIF: Canon 5dmk4, Sigma Art 14 mm, f/11, 1/640'', iso 100.
Photography and Licensing: doudoulakis.blogspot.com/
My books concerning natural phenomena / Τα βιβλία μου σχετικά με τα φυσικά φαινόμενα: www.facebook.com/TaFisikaFainomena/
After a clear blue sky, clouds started coming in in the afternoon sky. We had solar halos for hours.
Yesterday, I and my family traveled north and west in Maine to see a total eclipse of the sun. We intended to go into the town of Greenville about 2 hours and 20 minutes away under normal conditions. We never actually got there as about 12 or so miles from the town the traffic slowed to about 3 miles per hour. We decided to explore a small road that led through a rural area. It took awhile but we found a more or less perfect place with a few other people all parked along the road in the small community of Blanchard. It had a couple of large open fields on one side and a cemetery on the other. It was warm and not a cloud in the sky. The totality lasted about 3.5 minutes. I had not intended to try to photograph the sun but at the last minute decided to just take a series of photos by quickly going through a set of camera settings. I took of the eye protection and enjoyed the rest of the show with a couple more photos toward the horizon. Only when I got back last evening and was able to see the exposures was I able to see this and other images. I used Topaz to double the size and to remove noise. A few basic adjustments in Lightroom were done. I will probably work one this and a couple others. There are many options available. The two red shapes in the corona are solar prominences as described below. I thing the red dot on the right is noise as it is not in other exposures.
In solar physics, a prominence, sometimes referred to as a filament, is a large plasma and magnetic field structure extending outward from the Sun's surface, often in a loop shape. Prominences are anchored to the Sun's surface in the photosphere, and extend outwards into the solar corona. While the corona consists of extremely hot plasma, prominences contain much cooler plasma, similar in composition to that of the chromosphere.
Prominences form over timescales of about a day and may persist in the corona for several weeks or months, looping hundreds of thousands of kilometers into space. Some prominences may give rise to coronal mass ejections. Scientists are currently researching how and why prominences are formed. [Wikipedia]
A composite of the April 8th, 2024 solar eclipse as seen in Waterloo, Ontario.
We reached 99.2% totality. Ah well, I'll try to do better on the next total eclipse which is will be visible here in 2079 !!
A macro shot of the leaves of an amaryllis plant with the solarized filter of Photoshop Elements 5.0 applied....
The textured background is a window screen in our kitchen.
This handheld shot was taken with a Nikon D80 coupled with a 18-200 VR lens. The vibration reduction lens does a nice job of reducing the blurring that is normally associated with the slight movement that occurs when I press the shutter button.
Not a fancy location, not an iconic setting. Just an awe inspiring experience, shared with the family.
This artist's concept puts solar system distances in perspective. The scale bar is in astronomical units, with each set distance beyond 1 AU representing 10 times the previous distance. One AU is the distance from the sun to the Earth, which is about 93 million miles or 150 million kilometers. Neptune, the most distant planet from the sun, is about 30 AU.
Informally, the term "solar system" is often used to mean the space out to the last planet. Scientific consensus, however, says the solar system goes out to the Oort Cloud, the source of the comets that swing by our sun on long time scales. Beyond the outer edge of the Oort Cloud, the gravity of other stars begins to dominate that of the sun.
The inner edge of the main part of the Oort Cloud could be as close as 1,000 AU from our sun. The outer edge is estimated to be around 100,000 AU.
NASA's Voyager 1, humankind's most distant spacecraft, is around 125 AU. Scientists believe it entered interstellar space, or the space between stars, on Aug. 25, 2012. Much of interstellar space is actually inside our solar system. It will take about 300 years for Voyager 1 to reach the inner edge of the Oort Cloud and possibly about 30,000 years to fly beyond it.
Alpha Centauri is currently the closest star to our solar system. But, in 40,000 years, Voyager 1 will be closer to the star AC +79 3888 than to our own sun. AC +79 3888 is actually traveling faster toward Voyager 1 than the spacecraft is traveling toward it.
The Voyager spacecraft were built and continue to be operated by NASA's Jet Propulsion Laboratory, in Pasadena, Calif. Caltech manages JPL for NASA. The Voyager missions are a part of NASA's Heliophysics System Observatory, sponsored by the Heliophysics Division of the Science Mission Directorate at NASA Headquarters in Washington.
For more information about Voyager, visit: www.nasa.gov/voyager and voyager.jpl.nasa.gov .
Image credit: NASA/JPL-Caltech
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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Our first sight of the eclipse as the sun peeked thru the clouds. We are to see 92% from middle Tennessee.
A macro shot of small solar cells on my pocket calculator. I guess that the dust gives a feeling for the size of the visible part of the solar cells.
Captured with my iPhone 8 and the "Black Eye" macro lens.
Thank you for viewing, commenting and / or adding this photo to your favorites. It's very much appreciated.
Few things in life have made me feel more happy and free than looking out over a field of big yellow sunflowers.
sunset forecasted by #escaype
portfolio, workshops, services: www.landESCAPEphotography.com
Solar Coaster.
Solar Coaster was do just that in the November winds that had come ashore at Port Macquarie.
The sometimes strong winds provided the perfect conditions for sailors to take their yachts and spread their sails on the waters of the Hastings River.
Port Macquarie, New South Wales< Australia.
Pyramids of light beams shining through the fog and clouds and incandescent tower tops at the Ivanpah concentrated solar thermal plant give an oddly spiritual look to an otherwise industrial facility.
I am a "certified" (or certifiable) wine geek, so I taste local wines wherever I go. Hands down, Rune Wines wins the prize for the most unexpected yet striking location. It is in the high desert 60 miles south of Tucson, Arizona, at an elevation of 5000 feet, and completely off the grid (note the solar panels). Yet the wines were interesting and worth the trip, and the high desert views are incredible.
Rotterdam
Netherlands
Central Station roof by Bethem Crouwel Architects
For those who want to know...;-))
Light, solar heat and a modern, contemporary design are important elements in the lay out of the new Rotterdam Central Station roof. 10,000 m2 of the total roof area of 28,000 m2 of windows are equipped with over 130,000 solar cells. The solar cells are placed on the parts of the roof, that will obtain the most sun, taking the high buildings around Rotterdam Central into account. Where the roof has the greatest efficiency in terms of sunlight, the cell density is the highest. The solar cells that are integrated in the roof have a high degree of transparency, so that there is ample light. The solar cells represent a CO2 reduction of the stations energy of 8%. 320 megawatt a year is expected, which would be enough energy for a 100 households.
Solar Halo 20220710
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Tokina ATX-i 11-16 mm F2.8 Canon EF-S
F11mm, 1/500 sec, f/13 & ISO 100
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Full : www.flickr.com/photos/187071820@N02/52391394655/sizes/o/
For this week's Flickr Friday theme "modern times"
It's not very easy to access (for obvious reasons) so took this through a gate, with signs around stating that the fences are electrified)!
Blandford 20.09.2015
Total Solar Eclipse in Chile. In the right side over the mountains, TOLOLO Obs. In the cost, La Serena City
Stitching 6 images together of the total solar eclipse on 8/21/17. It was a bluebird day east of Unity, Oregon.
Today The Big Lemon launched its first solar powered electric bus. The bus which was once a standard diesel Optare Solo has been converted to run fully electric and is powered by solar panels located on the roof of the depot. The bus has been fully refurbished inside and is fitted with wifi. This is the first solar bus to arrive with the second shortly. The launch day consisted of a speech from all partners involved in the project followed by unveiling of a plaque then a tour of the city on the bus followed by a depot tour.